Cataract

A cataract is a clouding of the lens of the eye, leading to blurred vision. The lens is made of proteins, and with cataracts, those proteins become clumped together, scattering and blocking the light that reaches the back of the eye. It is one of the leading causes of blindness worldwide, and is typically caused by age-related factors such as aging, trauma, radiation, and certain diseases. Treatment involves surgically removing the clouded lens and replacing it with an artificial one. Cataracts, if left untreated, can result in a severe loss of vision, making surgery an essential treatment for those affected.